Apr. 19, 2017 | OPINION | President Trump is still promising to bring back coal jobs. But the underlying reasons for coal employment’s decline – automation, falling electricity demand, cheap natural gas, technological progress in wind and solar – won’t go away…So will the Trump administration ever do anything substantive to bring back mining and manufacturing jobs? Probably not. But let me ask a different question: Why does public discussion of job loss focus so intensely on mining and manufacturing, while virtually ignoring the big declines in some service sectors? nytimes.com